Public domain
Steel production. Molten slag running from an Eastern blast furnace into a cinder ladle. The slag serves many useful purposes. Republic, Youngstown
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineSteel production. Molten slag running from an Eastern blast furnace into a cinder ladle. The slag serves many useful purposes. Republic, Youngstown. 1941-01-01. United States. Office Of War Information, Palmer, Alfred T.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.